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Search Results: 1 - 10 of 331865 matches for " Hélène Frankowska "
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Second-order sensitivity relations and regularity of the value function for Mayer's problem in optimal control
Piermarco Cannarsa,Hélène Frankowska,Teresa Scarinci
Mathematics , 2014,
Abstract: This paper investigates the value function, $V$, of a Mayer optimal control problem with the state equation given by a differential inclusion. First, we obtain an invariance property for the proximal and Fr\'echet subdifferentials of $V$ along optimal trajectories. Then, we extend the analysis to the sub/superjets of $V$, obtaining new sensitivity relations of second order. By applying sensitivity analysis to exclude the presence of conjugate points, we deduce that the value function is twice differentiable along any optimal trajectory starting at a point at which $V$ is proximally subdifferentiable. We also provide sufficient conditions for the local $C^2$ regularity of $V$ on tubular neighborhoods of optimal trajectories.
Work and family: associations with long-term sick-listing in Swedish women – a case-control study
Hélène Sandmark
BMC Public Health , 2007, DOI: 10.1186/1471-2458-7-287
Abstract: This case-control study included 283 women on long-term sick-listing ≥90 days, and 250 female referents, randomly chosen, living in five counties in Sweden. Bivariate and multivariate logistic regression analyses with odds ratios were calculated to estimate the associations between long-term sick-listing and factors related to occupational work and family life.Long-term sick-listing in women is associated with self-reported lack of competence for work tasks (OR 2.42 1.23–11.21 log reg), workplace dissatisfaction (OR 1.89 1.14–6.62 log reg), physical workload above capacity (1.78 1.50–5.94), too high mental strain in work tasks (1.61 1.08–5.01 log reg), number of employers during work life (OR 1.39 1.35–4.03 log reg), earlier part-time work (OR 1.39 1.18–4.03 log reg), and lack of influence on working hours (OR 1.35 1.47–3.86 log reg). A younger age at first child, number of children, and main responsibility for own children was also found to be associated with long-term sick-listing. Almost all of the sick-listed women (93%) wanted to return to working life, and 54% reported they could work immediately if adjustments at work or part-time work were possible.Factors in work and in family life could be important to consider to prevent women from being long-term sick-listed and promote their opportunities to remain in working life. Measures ought to be taken to improve their mobility in work life and control over decisions and actions regarding theirs lives.Since the end of the 1990s the number of people on long-term sick leave in Sweden has increased considerably, especially with regard to women. During the first years of the 21st century, women accounted for more than 60 percent of the days for which cash benefit was paid out from the national sickness insurance due to long-term sick-listing. This concerns sick leave 60 days or more. Sick-listing has increased most for the 20–39 age group, and least for the 60–64 age group. The periods of sickness absence have also on
La producción especializada de la cerámica doméstica y ritual Mochica
Bernier,Hélène;
Estudios atacame?os , 2009, DOI: 10.4067/S0718-10432009000100010
Abstract: from the third century ad, the mochica society became the first expansionist state to develop on the peruvian north coast. in the urban capital of huacas de moche, recent excavations revealed the existence of workshops dedicated to craft production. thousands of objects produced by craft specialists were also found in various domestic and funerary contexts. this article examines the organization of specialized production of domestic and ritual ceramic objects at huacas de moche. workshops will be described and the contexts of ceramic production will be discussed. the distribution and consumption of vessels and objects made by specialized ceramists will be examined as well. through the analysis of consumption patterns, we will discuss the social roles played by ceramists in the economic, political, and ritual spheres of the mochica society.
El loco por fuerza, trasunto de los sucesos de Aragón (1591). Algunas hipótesis de lectura
Tropé, Hélène;
Cuicuilco , 2009,
Abstract: el loco por fuerza by lope de vega was probably written between 1597 and 1608 and is set in zaragoza and the mountain. the comedy frames a conflict between two groups of characters, those from castile and those from aragon. analyzed in light of the aragonese revolt of 1591, it becomes apparent that the piece exalts castile while denigrating aragon's political aspirations. after describing the spaces, the representation of one of the play's settings, the lunatic hospital, is examined. the article then evaluates the possibility that the forced incarceration of the hero in the asylum represents the real imprisonment of antonio pérez, the ex minister of felipe who was accused of killing escobedo and who fled to aragon. finally, a joint reading with los locos de valencia, another lope de vega comedy, is offered. the two comedies present some striking similarities in reference to the pérez affair and pérez's relaciones.
?Dónde estamos con el estudio del clientelismo?
Combes, Hélène;
Desacatos , 2011,
Abstract: the author's objective is to propose a state of the art of the literature on clientelism, with a multidisciplinary perspective. the article therefore takes into account both classical anthropological works and more recent contributions in political science, sociology and anthropology. it presents the distinct schools, disciplinary perspectives and evolutions as far as the analysis of clientelism. it puts emphasis on innovative works, which try and distance themselves from analyses that focus on the unequal dimension of the relationship entailed by clientelism, or which try to study clientelism within the larger framework of the changes experienced by political systems.
La Inquisición frente a la locura en la Espa?a de los siglos XVI y XVII (I): Manifestaciones, tratamientos y hospitales
Tropé,Hélène;
Revista de la Asociación Espa?ola de Neuropsiquiatría , 2010, DOI: 10.4321/S0211-57352010000200007
Abstract: this article, based on the inquisitorial documents of archivo histórico nacional analyses the inquisitors' and their assistants' madness point of view and, in some cases, how they used it to silence certain attitudes in the xvi and xvii centuries. in the first part of the article, madness manifestations and treatments are studied in the inquisitorial field. mad defendant cases are analysed, essentially those ones, inquisitors did not consider to be politically dangerous because the defendants were not susceptible of spreading their ideas or making rivals. besides, regarding mad defendants' admission, the strained relationship between the toledo inquisitors and the chapter, on which this town's mental hospital (hospital del nuncio) depended, is also mentioned.
La Inquisición frente a la locura en la Espa?a de los siglos XVI y XVII (y II): La eliminación de los herejes
Tropé,Hélène;
Revista de la Asociación Espa?ola de Neuropsiquiatría , 2010, DOI: 10.4321/S0211-57352010000300008
Abstract: this article's second part puts forward the fate of those mad defendants inquisitors considered likely to spread their prophecies and slanders. essentially, the article analyses certain cases where inquisitors used madness as a power means to exclude, isolate and get rid of them, once and for all. besides, cases where particularly dangerous slanderers were deemed to be possessed by the devil and finally punished are also studied. despite being considered mad, slanderers' madness was not believed to be a reason to exempt them from their blame.
Se distinguer dans les espaces pavillonnaires ? Choix résidentiels distinctifs et processus de valorisation d’un quartier pavillonnaire ancien de la grande couronne parisienne
Hélène Steinmetz
Articulo : Journal of Urban Research , 2009,
Abstract: à partir d’un travail monographique portant sur une cité-jardin pavillonnaire de la région parisienne, nous mettons l’accent sur les processus de différenciation des espaces résidentiels pavillonnaires, et en particulier sur l’un de ses déterminants : les modes d’appropriation du bati existant. Il s’agit ici de montrer comment les qualités d’un cadre et d’un bati ancien entrent en résonance avec des aspirations résidentielles distinctives de fractions des classes moyennes et supérieures. Les choix résidentiels qui en découlent enclenchent alors un processus de valorisation de ce lotissement pavillonnaire, dans lequel la préservation du caractère atypique du quartier devient un enjeu.
à travers et par la Méditerranée : regards sur Albert Camus
Hélène Rufat
Synergies Espagne , 2011,
Abstract: Quelque peu malgré lui, Albert Camus élabora, plus qu’un mythe de la Méditerranée, un mythe de l’homme contemporain, symboliquement alimenté par la terre méditerranéenne : le mythe d’Euphorion. Ses différentes créations littéraires précisent peu à peu les attributs et les actions de cet antihéros, mais déjà avec les premiers écrits, l’idée persistante d’harmonie (de mesure) se développe à partir des images que l’auteur lui-même considérait méditerranéennes. Ces images se cristallisent progressivement en constellations dynamiques dont la force se trouve davantage dans leurs aspects nocturnes et terrestres, voire organiques , que dans des idéaux solaires et épurés. à partir de cette réalité rêvée, l’imaginaire camusien révèle que cette terre, tel un espace privilégié, est celle où l’équilibre entre l’exil et le royaume deviendrait finalement réalisable, sous les bons auspices de Némésis. à travers l’étude des paysages méditerranéens, constamment présents dans l’ uvre camusienne, et qui dans un premier temps semblent être les mêmes sur toutes les rives, nous pouvons aussi constater que chaque pays vécu (généralement visité) lui apporte une dimension méditerranéenne particulière… qui alimente, à son tour, sa propre Méditerranée rêvée.
Tony Lopez : le retour du réel Tony Lopez: “The Return of the Real”
Hélène Aji
Revue LISA / LISA e-journal , 2009, DOI: 10.4000/lisa.816
Abstract: Professeur de littérature américaine à l’Université du Maine (Le Mans). Hélène Aji is Professor of American and Modernist Literature at the Université du Maine (France). In addition to a number of articles on Modernist and contemporary American poetry, she is the author of Ezra Pound et William Carlos Williams: pour une poétique américaine (L’Harmattan, 2001), William Carlos Williams : un plan d’action (Belin, 2004), and a book-length essay on Ford Madox Ford’s The Good Soldier (Armand Colin, 2005). Recently, she was co-editor of L’impersonnel en littérature (Presses Universitaires de Rennes, 2008) and, with Helen M. Dennis, of an issue of the European Journal of English Studies on “Reading the Modernist Past”. Tony Lopez’s poetry is to be inscribed within the context of Postmodernist interrogations as they were shaping up in the late 1990s around the notions of merchandisation, consumerism, the lessening power and meaningfulness of the signified through the intense circulation of signifiers. Yet it struggles against rather than adheres to the processes of fragmentation and reifying of both objects and signs. Lopez delves into the real so as to highlight and question the strictures of commodity culture’s underlying order. Aesthetic preoccupations are allied to the search for lost ethics and the renewal of ideological discourse. This discourse contradicts the overwhelming rhetoric of the cynical trend of Postmodernism. This article defines Tony Lopez’s work at the turn of the millennium as enforcing a poetics beyond the empty gestures of pastiche and poetical karaoke, tensely negotiating the demands of survival in the consumer society and the quest to impart some meaning to this, our, world.
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